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High Pressure Synthesis of Marcasite-Type Rhodium Pernitride

Niwa, Ken ; Dzivenko, Dmytro ; Suzuki, Kentaro ; Riedel, Ralf ; Troyan, Ivan ; Eremets, Mikhail ; Hasegawa, Masashi (2014):
High Pressure Synthesis of Marcasite-Type Rhodium Pernitride.
In: Inorganic Chemistry, 53 (2), pp. 697-699. ISSN 0020-1669,
[Article]

Abstract

Marcasite-type rhodium nitride was successfully synthesized in a direct chemical reaction between a rhodium metal and molecular nitrogen at 43.2 GPa using a laser-heated diamond-anvil cell. This material shows a low zero-pressure bulk modulus of K0 = 235(13) GPa, which is much lower than those of other platinum group nitrides. This finding is due to the weaker bonding interaction between metal atoms and quasi-molecular dinitrogen units in the marcasite-type structure, as proposed by theoretical studies.

Item Type: Article
Erschienen: 2014
Creators: Niwa, Ken ; Dzivenko, Dmytro ; Suzuki, Kentaro ; Riedel, Ralf ; Troyan, Ivan ; Eremets, Mikhail ; Hasegawa, Masashi
Title: High Pressure Synthesis of Marcasite-Type Rhodium Pernitride
Language: English
Abstract:

Marcasite-type rhodium nitride was successfully synthesized in a direct chemical reaction between a rhodium metal and molecular nitrogen at 43.2 GPa using a laser-heated diamond-anvil cell. This material shows a low zero-pressure bulk modulus of K0 = 235(13) GPa, which is much lower than those of other platinum group nitrides. This finding is due to the weaker bonding interaction between metal atoms and quasi-molecular dinitrogen units in the marcasite-type structure, as proposed by theoretical studies.

Journal or Publication Title: Inorganic Chemistry
Journal volume: 53
Number: 2
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Dispersive Solids
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 07 Jul 2014 11:50
Official URL: http://dx.doi.org/10.1021/ic402885k
Identification Number: doi:10.1021/ic402885k
Funders: This research was supported by the Young Researcher Overseas Visits Program for Vitalizing Brain Circulation from the Ministry of Education, Culture, Sports, Science and Technology of Japan.
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